Symmetric functions and the explicit moment problem for abelian groups

preprint2026arXivOpen access

Abstract

Recently, Sawin and Wood (arXiv:math/2210.06279) proved a formula for the distribution of a random abelian group GG in terms of its HH-moments E[#Sur⁡(G,H)]\mathbb{E} [\#\operatorname{Sur}(G,H)]. We show that properties of Macdonald polynomials yield an alternate proof.

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